122184390149 has 4 divisors (see below), whose sum is σ = 122671180800. Its totient is φ = 121697599500.

The previous prime is 122184390131. The next prime is 122184390151. The reversal of 122184390149 is 941093481221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941093481221 = 9059 ⋅103884919.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122184390149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122184390179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243394949 + ... + 243395450.

It is an arithmetic number, because the mean of its divisors is an integer number (30667795200).

Almost surely, 2^122184390149 is an apocalyptic number.

It is an amenable number.

122184390149 is a deficient number, since it is larger than the sum of its proper divisors (486790651).

122184390149 is an equidigital number, since it uses as much as digits as its factorization.

122184390149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486790650.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 122184390149 in words is "one hundred twenty-two billion, one hundred eighty-four million, three hundred ninety thousand, one hundred forty-nine".